The fun Newtons cradle would make a great addition to an office desk or as an interesting ornamental piece at home.;Stainless steel Newton's Cradle balance balls;Right before your very eyes science is demonstrated clearly, simply and with a touch of amusement;No batteries required, works on the power of kinetic energy.;This item would also make a great Christmas present for a loved one or family member.

• Invero Newtons Cradle Toy Kinetic Balance Balls Physics Science Executive Office Fun

Invero Newtons Cradle Toy Kinetic Balance Balls Physics Science Executive Office FunInvero